1. I tried my best to make some necessary a ____ to this new situation.

2. Are you o _____ or pessimistic if you are facing the life of future?

3. I am unable to attend the meeting because of a p _____ engagement.

4.  I had to p _____ myself against the wall to let them pass.

5. I don't like this radio play-Let's s ______ to another programme.

6.  She could not help being impressed by the luxurious _____ (环境).

7.  What I said made no practical ________(印象)  on him.

8. The _____(胶囊) is filled with small soluble cases.

9.  A driver is not supposed to _____ (使闪光) his lights at the coming vehicles.

10. He ____ (引导)the blind man through the streets to the railway station.